Console consumer also uses the high level consumer. Could you try setting fetch.wait.max.ms to 100ms?
Thanks, Jun On Fri, Apr 11, 2014 at 9:56 AM, Arjun Kota <ar...@socialtwist.com> wrote: > Console consumer works fine. Its the high level java consumer which is > giving this problem. > > Thanks > Arjun narasimha kota > On Apr 11, 2014 8:42 PM, "Jun Rao" <jun...@gmail.com> wrote: > > > We may have a bug that doesn't observe etch.min.bytes accurately. So a > > lower fetch.wait.max.ms will improve consumer latency. > > > > Could you run a console consumer and see if you have the same issue? That > > will tell us if this is a server side issue or an issue just in your > > consumer. > > > > Thanks, > > > > Jun > > > > > > On Thu, Apr 10, 2014 at 10:28 PM, Arjun <ar...@socialtwist.com> wrote: > > > > > i changed the time to 60 seconds even now i see the same result. The > > > Consumer is not consuming the messages. > > > > > > Thanks > > > Arjun Narasimha Kota > > > > > > > > > On Friday 11 April 2014 10:36 AM, Arjun wrote: > > > > > >> yup i will change the value and recheck. Thanks for the help. > > >> > > >> thanks > > >> Arjun Narasimha Kota > > >> > > >> On Friday 11 April 2014 10:28 AM, Guozhang Wang wrote: > > >> > > >>> What I tried to say is that it may be caused by your > > >>> "fetch.wait.max.ms"="180000" > > >>> too large. Try a small value and see if that helps. > > >>> > > >>> > > >>> On Thu, Apr 10, 2014 at 9:44 PM, Arjun <ar...@socialtwist.com> > wrote: > > >>> > > >>> Hi, > > >>>> > > >>>> I could not see any out of memory exceptions in the broker logs. One > > >>>> thing > > >>>> i can see is i may have configured consumer poorly. If its not too > > >>>> much to > > >>>> ask can u let me know the changes i have to do for over coming this > > >>>> problem. > > >>>> > > >>>> Thanks > > >>>> Arjun Narasimha Kota > > >>>> > > >>>> > > >>>> On Friday 11 April 2014 10:04 AM, Guozhang Wang wrote: > > >>>> > > >>>> Hi Ajrun, > > >>>>> > > >>>>> It seems to be the cause: > > >>>>> > > >>>>> https://issues.apache.org/jira/browse/KAFKA-1016 > > >>>>> > > >>>>> Guozhang > > >>>>> > > >>>>> > > >>>>> > > >>>>> On Thu, Apr 10, 2014 at 9:21 PM, Arjun <ar...@socialtwist.com> > > wrote: > > >>>>> > > >>>>> I hope this one would give u a better idea. > > >>>>> > > >>>>>> bin/kafka-run-class.sh kafka.tools.ConsumerOffsetChecker --group > > >>>>>> group1 > > >>>>>> --zkconnect zkhost:port --topic testtopic > > >>>>>> Group Topic Pid Offset logSize > > >>>>>> Lag Owner > > >>>>>> group1 testtopic 0 253 253 0 > > >>>>>> group1_ip-xx-1397188061429-b5ff1205-0 > > >>>>>> group1 testtopic 1 267 267 0 > > >>>>>> group1_ip-xx-1397188061429-b5ff1205-0 > > >>>>>> group1 testtopic 2 254 254 0 > > >>>>>> group1_ip-xx-1397188061429-b5ff1205-0 > > >>>>>> group1 testtopic 3 265 265 0 > > >>>>>> group1_ip-xx-1397188061429-b5ff1205-0 > > >>>>>> group1 testtopic 4 261 261 0 > > >>>>>> group1_ip-xx-1397188061429-b5ff1205-1 > > >>>>>> group1 testtopic 5 294 294 0 > > >>>>>> group1_ip-xx-1397188061429-b5ff1205-1 > > >>>>>> group1 testtopic 6 248 248 0 > > >>>>>> group1_ip-xx-1397188061429-b5ff1205-1 > > >>>>>> group1 testtopic 7 271 271 0 > > >>>>>> group1_ip-xx-1397188061429-b5ff1205-1 > > >>>>>> group1 testtopic 8 240 240 0 > > >>>>>> group1_ip-xx-1397188061429-b5ff1205-2 > > >>>>>> group1 testtopic 9 261 261 0 > > >>>>>> group1_ip-xx-1397188061429-b5ff1205-2 > > >>>>>> group1 testtopic 10 290 290 0 > > >>>>>> group1_ip-xx-1397188061429-b5ff1205-2 > > >>>>>> group1 testtopic 11 250 251 1 > > >>>>>> group1_ip-xx-1397188061429-b5ff1205-2 > > >>>>>> > > >>>>>> If you see the output, in the last line the lag is 1 for that > > >>>>>> partition. > > >>>>>> I > > >>>>>> just send one message. This topic is not new as you see there are > > lot > > >>>>>> of > > >>>>>> messages which have accumlated from yesterday. This one message > will > > >>>>>> not > > >>>>>> be > > >>>>>> consumed by consumer what so ever. But if i send some 10 messages > > then > > >>>>>> all > > >>>>>> the messages are consumed. > > >>>>>> > > >>>>>> Please let me know if i have to change any consumer properties. > > >>>>>> > > >>>>>> My consumer properties are : > > >>>>>> "fetch.wait.max.ms"="180000" > > >>>>>> "fetch.min.bytes" = "1" > > >>>>>> "auto.offset.reset" = "smallest" > > >>>>>> "auto.commit.enable"= "false" > > >>>>>> "fetch.message.max.bytes" = "1048576" > > >>>>>> > > >>>>>> > > >>>>>> Thanks > > >>>>>> Arjun Narasimha Kota > > >>>>>> On Friday 11 April 2014 06:23 AM, Arjun Kota wrote: > > >>>>>> > > >>>>>> The consumer uses do specific topics. > > >>>>>> > > >>>>>>> On Apr 11, 2014 6:23 AM, "Arjun Kota" <ar...@socialtwist.com > > <mailto: > > >>>>>>> ar...@socialtwist.com>> wrote: > > >>>>>>> > > >>>>>>> Yes the message shows up on the server. > > >>>>>>> > > >>>>>>> On Apr 11, 2014 12:07 AM, "Guozhang Wang" < > > wangg...@gmail.com > > >>>>>>> <mailto:wangg...@gmail.com>> wrote: > > >>>>>>> > > >>>>>>> Hi Arjun, > > >>>>>>> > > >>>>>>> If you only send one message, does that message show up > > on > > >>>>>>> the > > >>>>>>> server? Does > > >>>>>>> you consumer use wildcard topics or specific topics? > > >>>>>>> > > >>>>>>> Guozhang > > >>>>>>> > > >>>>>>> > > >>>>>>> On Thu, Apr 10, 2014 at 9:20 AM, Arjun < > > >>>>>>> ar...@socialtwist.com > > >>>>>>> <mailto:ar...@socialtwist.com>> wrote: > > >>>>>>> > > >>>>>>> > But we have auto offset reset to smallest not > largest, > > >>>>>>> even > > >>>>>>> then this > > >>>>>>> > issue arises? If so is there any work around? > > >>>>>>> > > > >>>>>>> > Thanks > > >>>>>>> > Arjun NArasimha Kota > > >>>>>>> > > > >>>>>>> > > > >>>>>>> > On Thursday 10 April 2014 09:39 PM, Guozhang Wang > > wrote: > > >>>>>>> > > > >>>>>>> >> It could be https://issues.apache.org/ > > >>>>>>> jira/browse/KAFKA-1006. > > >>>>>>> >> > > >>>>>>> >> Guozhang > > >>>>>>> >> > > >>>>>>> >> > > >>>>>>> >> On Thu, Apr 10, 2014 at 8:50 AM, Arjun > > >>>>>>> <ar...@socialtwist.com <mailto:ar...@socialtwist.com>> > > >>>>>>> wrote: > > >>>>>>> >> > > >>>>>>> >> its auto created > > >>>>>>> >>> but even after topic creation this is the scenario > > >>>>>>> >>> > > >>>>>>> >>> Arjun > > >>>>>>> >>> > > >>>>>>> >>> On Thursday 10 April 2014 08:41 PM, Guozhang Wang > > >>>>>>> wrote: > > >>>>>>> >>> > > >>>>>>> >>> Hi Arjun, > > >>>>>>> >>>> > > >>>>>>> >>>> Did you manually create the topic or use > > >>>>>>> auto.topic.creation? > > >>>>>>> >>>> > > >>>>>>> >>>> Guozhang > > >>>>>>> >>>> > > >>>>>>> >>>> > > >>>>>>> >>>> On Thu, Apr 10, 2014 at 7:39 AM, Arjun > > >>>>>>> <ar...@socialtwist.com <mailto:ar...@socialtwist.com>> > > >>>>>>> wrote: > > >>>>>>> >>>> > > >>>>>>> >>>> Hi, > > >>>>>>> >>>> > > >>>>>>> >>>>> We have 3 node kafka 0.8 setup with zookeepers > > >>>>>>> ensemble. > > >>>>>>> We use high > > >>>>>>> >>>>> level > > >>>>>>> >>>>> consumer with auto commit offset false. I am > facing > > >>>>>>> some > > >>>>>>> peculiar > > >>>>>>> >>>>> problem > > >>>>>>> >>>>> with kafka. When i send some 10-20 messages or so > > the > > >>>>>>> consumer starts > > >>>>>>> >>>>> to > > >>>>>>> >>>>> consume the messages. But if i send only one > > >>>>>>> message to > > >>>>>>> kafka, then > > >>>>>>> >>>>> even > > >>>>>>> >>>>> though consumer is active it is not trying to > fetch > > >>>>>>> the > > >>>>>>> message. There > > >>>>>>> >>>>> is > > >>>>>>> >>>>> nothing in logs, just the messages are being > > fetched > > >>>>>>> by > > >>>>>>> the kafka > > >>>>>>> >>>>> consumer. > > >>>>>>> >>>>> The messages are there in the Kafka server. Can > > some > > >>>>>>> one > > >>>>>>> let me know > > >>>>>>> >>>>> where > > >>>>>>> >>>>> i am doing wrong. > > >>>>>>> >>>>> > > >>>>>>> >>>>> > > >>>>>>> >>>>> Thanks > > >>>>>>> >>>>> Arjun Narasimha Kota > > >>>>>>> >>>>> > > >>>>>>> >>>>> > > >>>>>>> >>>>> > > >>>>>>> >>>> > > >>>>>>> >> > > >>>>>>> > > > >>>>>>> > > >>>>>>> > > >>>>>>> -- > > >>>>>>> -- Guozhang > > >>>>>>> > > >>>>>>> > > >>>>>>> > > >>>>>>> > > >>> > > >> > > > > > >
